Quick Fish Wieght Conversion

Quick Conversion

Quick Mathematical Conversion Formulas

This is the quickest way to find the approximate weight of your big fish. You know the one that Peter told you about and you didn’t beleive him, so why would he belwive you.

Most angles either do not carry a scale or have an old spring style Fish Scale. Some have a more reliable and accurate Digital Fish Scale. The only thing wrong with these is that you can damage a big fish by weighing them this way. Not only does it puncture the bottom jaw, wreck gills as you insert scale tip or cause a broken spine (behind the head) to the neck but they are usually not very accurate. There are a couple of easier ways to find the weight without damaging the fish.

However this requires knowing the fish’s length and possibly girth. Do you have a ruler or fabric Tape Measure in your tackle box? NO! The wife noticed me sneaking her sewing tape measure and made me put it back. I forgot mine at home in the other box! HEY! You can still get the length and girth. Got a spare spool of line in your box? NO! Then cut the lure off your line and use some of that fishing line. Cut one piece of line by placing on tip of tail and measureing to the tip of the snout (length). Cut a Second piece of line by taking and just snuggly winding line around the biggest part of the fish belly (girth). Make a loose loop in girth string, (so you can get loop out), and put both in your pants pocket. When you get home, measure each piece of line and calculate or find the weight.

To figure it out in pounds use the formuls:

(Length X Girth) divide by 55 = weight in lbs

To figure it out using centimeters:

(Length X Girth) divide by 800 = weight in Kg.

To Figure out Salt Water Game Fish:

(Length X Girth(squared)) divide by 800.

Conversions:

Centimetres to Inches = multiply by 0.39

Inches to Centimetres = multiply by 2.54

Kilograms to Pounds = multiply by 2.21

Pounds to Kilograms = multiply by .45

Multi Species Chart: